ExtJs/box/box-basic.html

<!DOCTYPE html>
<html>
<head>
   <link href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet" />
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
   <script type="text/javascript">
      Ext.onReady(function() {
         Ext.create('Ext.Button', { // 创建按钮
            renderTo: Ext.getElementById('msgBox'),
            text: 'Click Me',
            listeners: {
               click: function() { // 监听点击事件
                  Ext.Msg.alert('Title', 'Basic message box in ExtJS'); // 这是最简单的警报框只是为了显示一些事件的一些信息。
               }
            }
         });
      });
   </script>
</head>
<body>
   <p> Click the button for alert box </p>
   <div id = "msgBox" ></div>
</body>
</html>